* {
	margin: 0;
	padding: 0;
}
/*清除浮动代码*/
.clearfloat:after {
	display: block;
	clear: both;
	content: '';
	visibility: hidden;
	height: 0;
}
.clearfloat {
	zoom: 1;
}
header > a {
	display: block;
	height: 50px;
	line-height: 50px;
	text-align: center;
	text-decoration: none;
	color: #003857;
	font-size: 24px;
}
header > a:hover {
	color: #364b57;
	font-size: 26px;
	font-weight: 700;
}
header > a:visited {
	color: #003857;
}
header > a:active {
	color: #5394ee !important;
}
@media screen and (max-width: 700px) {
	header a {
		width: 90%;
		font-size: 14px;
		margin: 0 auto;
	}
}
